The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Rokinon 85mm F1.8 and the Zeiss Batis 85mm F1.8 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Rokinon 85mm F1.8 is the longer of the two lenses at 81mm. The Zeiss Batis 85mm F1.8 with a length of 78mm, is 3mm shorter. On the other hand, the Zeiss Batis 85mm F1.8 has a larger diameter of 105mm compared to the Rokinon 85mm F1.8's 68mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Rokinon 85mm F1.8 weighs 344g, which means it is 131g (27%) lighter than the Zeiss Batis 85mm F1.8 which has a weight of 475g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony E Mount for size comparison purposes.
Telephoto Prime Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both the Rokinon 85mm F1.8 and the Zeiss Batis 85mm F1.8 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
Rokinon 85mm F1.8 is also available in Canon EF-M and Fujifilm X mounts.
Focal Range
Both lenses have the same focal range of 85mm and the fastest aperture of F1.8.